基于AHP及Mapgis岩溶和温泉发育区建筑适宜性评价——以巢湖半汤国际温泉度假区为例
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摘要
巢湖半汤国际温泉度假区温泉资源丰富,为城市建设提供了契机,而复杂的地质条件,岩溶、断层发育及对温泉的保护等又制约着城市建筑适宜性。本文在综合考虑自然地理条件、区域地质条件、工程地质条件、水文地质条件、环境地质条件等因素基础上,选择了地形坡度、地基承载力、地质灾害(崩塌、滑坡、岩溶塌陷)及建筑对泉影响程度等评价因子,建立建筑适宜性评价指标体系。采用层次分析法确定了各影响因子的权重;借助Mapgis空间分析功能,采用综合指数模型计算了适宜性指数,通过量化了的建筑适宜性指数进行分级评价,从而为当地政府进行城市规划、土地利用审批等决策提供了地学依据,同时对岩溶发育、温泉资源丰富地区建筑适宜性评价具有一定的指导意义。
The Chahu Bantang international hot spring resort is rich in hot spring resources providing a chance for city construction,however,the complexity in geological conditions,and the developed karst and faults and hot spring protection set limits on the suitability of buildings in the city.This paper considered natural geography,regional geology,engineering geology,hydrogeology and environment geology conditions,chose topographic slope,ground bearing capacity,geological hazard(collapse,landslide and karst depression) and building as evaluation factors that may affect springs,and then build up an evaluation system for suitability of buildings,determined the weight of each factor using analytic hierarchy process,calculated suitability index by using Mapgis spatial analytic functions and comprehensive index model,made a grading evaluation using quantified building suitability index,thus expected to provide a geological basis for local government in city planning,land use and approval process,and guide suitability evaluation of buildings in areas with developed karst and hot springs.
The Chahu Bantang international hot spring resort is rich in hot spring resources providing a chance for city construction,however,the complexity in geological conditions,and the developed karst and faults and hot spring protection set limits on the suitability of buildings in the city.This paper considered natural geography,regional geology,engineering geology,hydrogeology and environment geology conditions,chose topographic slope,ground bearing capacity,geological hazard(collapse,landslide and karst depression) and building as evaluation factors that may affect springs,and then build up an evaluation system for suitability of buildings,determined the weight of each factor using analytic hierarchy process,calculated suitability index by using Mapgis spatial analytic functions and comprehensive index model,made a grading evaluation using quantified building suitability index,thus expected to provide a geological basis for local government in city planning,land use and approval process,and guide suitability evaluation of buildings in areas with developed karst and hot springs.
引文
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[2]王维理,李文平.岩溶塌陷地质灾害的评价方法探讨[J].地质灾害与环境保护,2008,19(3):78~81.
[3]朱庆杰,苏幼坡,刘廷全.唐山市岩溶塌陷安全评价[J].中国安全科学学报,2004,14(2):91~94.
[4]胡成,陈植华,陈学军.基于ANN与GIS技术的区域岩溶塌陷稳定性预测——以桂林西城区为例[J].地球科学——中国地质大学学报,2003,28(5):557~562.
[5]缪钟灵,宗风书.桂林岩溶塌陷风险评价[J].中国地质灾害与防治学报,1995,6(2):58~66.
[6]杨立中,王建秀.国外岩溶塌陷研究的发展及我国的研究现状[J].中国地质灾害与防治学报,1997,(S1):6~10.
[7]仲照东,任子炎.基于GIS的建设用地适宜性评价研究——以江西省南康市为例[J].现代城市,2013,(8):29~32.
[8]刘善军.隐伏岩溶区岩溶塌陷易发程度评价——以泰安为例[J].中国地质灾害与防治学报,2004,15(3):87~90.
[9]俞跃平,唐柏安.绍兴中心城区工程地质特征及场地工程建设适宜性评价[J].水文地质工程地质,2011,38(2):84~88.
[10]孙伟,朱诚,王晓翠,等.南京幕府山地区地质灾害与地热调查[J].山地学报,2011,29(6):753~758.
[11]李亚,叶文,南凌,等.昭通盆地土地承载力与城市建设适宜性研究[J].云南师范大学学报,1999,19(6):66~70.
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